Merge branch 'ocelot-selftests'

Vladimir Oltean says:

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Streamline Ocelot tc-chains selftest

This series changes the output and the argument format of the Ocelot
switch selftest so that it is more similar to what can be found in
tools/testing/selftests/net/forwarding/.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>